Isn't the whole reason why alcohol got so popular because it is safe to ingest, unlike sea water or river water? So, probably not, I guess? Carbonation might be bad, though.
Uh, I meant if it got inside down there... I mean I even have to use a special type of soap 'cause a normal one makes me Itch, so beer and anything that has alcohol in it must be real bad for DOWN THERE.